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muzilizhao

铁杆木虫 (正式写手)

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虫号: 2842383
注册: 2013-12-02
性别: MM
专业: 半导体电子器件

[求助] silvaco 仿真

求助有关silvaco仿真的问题，为什么算得的正向隧穿电流特别小？代码如下：

go atlas

mesh space.mult=1.0 width=1.0

x.mesh loc=0.0 spac=0.01
x.mesh loc=0.019 spac=0.0001
x.mesh loc=0.021 spac=0.0001
x.mesh loc=0.07 spac=0.0005
x.mesh loc=0.09 spac=0.01

y.mesh loc=0.0 spac=0.001
y.mesh loc=0.002 spac=0.0001
y.mesh loc=0.006  spac=0.005
y.mesh loc=0.012 spac=0.005
y.mesh loc=0.014 spac=0.001
# nonlocal mesh
qtx.mesh location=0.019 spacing=0.0001
qtx.mesh location=0.021 spacing=0.0001
qty.mesh location=0.002 spacing=0.001
qty.mesh location=0.012 spacing=0.001
#
# SECTION 2: Structure Specification
#
region    num=1  material=silicon  x.min=0.0 x.max=0.09 y.min=0.002 y.max=0.012
region    num=2  material=SiO2 x.min=0.0 x.max=0.09 y.min=0.0 y.max=0.002
region    num=3  material=SiO2 x.min=0.0 x.max=0.09 y.min=0.012 y.max=0.014
#
electrode    num=1  name=source x.min=0.0 x.max=0.0 y.min=0.002 y.max=0.006
electrode    num=2  name=gate x.min=0.02 x.max=0.07 y.min=0.0 y.max=0.0
electrode    num=3  name=gate x.min=0.02 x.max=0.07 y.min=0.014 y.max=0.014
electrode    num=4  name=drain  x.min=0.09 x.max=0.09 y.min=0.002 y.max=0.006
#
doping    uniform  x.min=0.0 x.max=0.02 y.min=0.002 y.max=0.012 p.type conc=1.5e20
doping    uniform  x.min=0.07 x.max=0.09 y.min=0.002 y.max=0.012 n.type conc=5e18
#
contact name=gate workf=4.17
contact name=source neutral
contact name=drain neutral

models  fermi  bgn  bbt.nonlocal  cvt temperature=300 consrh qtunn.dir=1 bbt.nlderivs  bbt.reverse

method  newton autonr maxtrap=8

solve init
output con.band val.band e.mobility h.mobility j.total
solve vsource=0
solve vdrain=1.0
# vstep=-0.1 vfinal=-1.0 name=drain
log outf=idvg_TFET_nonlocal.log
solve vgate=0.0 vstep=0.15 vfinal=2.0 name=gate

save outf=TFET_nonlocal.str
# tonyplot  TFET_nonlocal.str

tonyplot idvg_TFET_nonlocal.log

quit

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